I'm unable to process payments with the dreaded "Invalid Token" error showing up again so I went through the process of disabling all non-mission critical plugins to see if any new updates were causing the error.
When that didn't solve the problem I open up Inspector in Chrome to see if my theme's included js files might be causing the problem. I then stumbled across this js syntax error:
After tidying up the js, the error exists somewhere in this:
Can anyone lend a hand from here?